What is the Least Common Multiple of 65886 and 65905?
Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.
Least common multiple (LCM) of 65886 and 65905 is 4342216830.
LCM(65886,65905) = 4342216830
Least Common Multiple of 65886 and 65905 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65886 and 65905, than apply into the LCM equation.
GCF(65886,65905) = 1
LCM(65886,65905) = ( 65886 × 65905) / 1
LCM(65886,65905) = 4342216830 / 1
LCM(65886,65905) = 4342216830
Least Common Multiple (LCM) of 65886 and 65905 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 65886 and 65905. First we will calculate the prime factors of 65886 and 65905.
Prime Factorization of 65886
Prime factors of 65886 are 2, 3, 79, 139. Prime factorization of 65886 in exponential form is:
65886 = 21 × 31 × 791 × 1391
Prime Factorization of 65905
Prime factors of 65905 are 5, 7, 269. Prime factorization of 65905 in exponential form is:
65905 = 51 × 72 × 2691
Now multiplying the highest exponent prime factors to calculate the LCM of 65886 and 65905.
LCM(65886,65905) = 21 × 31 × 791 × 1391 × 51 × 72 × 2691
LCM(65886,65905) = 4342216830
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